Symptom
%DSPRM-3-DSPALARMINFO: DSP (0/1) Host keepalive timeout
%LINK-3-UPDOWN: Interface Foreign Exchange Office 0/1/0, changed state to Administrative Shutdown
Checked DSP status :
================
show voice dsp group all
DSP groups on slot 0:
dsp 1:
State: FAIL, firmware: 32.1.6
Max signal/voice channel: 43/43
Max credits: 645, Voice credits: 645, Video credits: 0
num_of_sig_chnls_allocated: 38
Transcoding channels allocated: 0
Group: FLEX_GROUP_VOICE, complexity: FLEX
Shared credits: 645, reserved credits: 0
Signaling channels allocated: 38
Voice channels allocated: 0
Credits used (rounded-up): 0
Slot: 0
Device idx: 0
PVDM Slot: 0
Dsp Type: SP2600
dsp 2:
State: FAIL, firmware: 32.1.6
Max signal/voice channel: 43/43
Max credits: 645, Voice credits: 645, Video credits: 0
num_of_sig_chnls_allocated: 0
Transcoding channels allocated: 0
Group: FLEX_GROUP_VOICE, complexity: FLEX
Shared credits: 645, reserved credits: 0
Signaling channels allocated: 0
Voice channels allocated: 0
Credits used (rounded-up): 0
Slot: 0
Device idx: 0
PVDM Slot: 0
Dsp Type: SP2600
dsp 3:
State: FAIL, firmware: 32.1.6
Max signal/voice channel: 42/43
Max credits: 645, Voice credits: 645, Video credits: 0
num_of_sig_chnls_allocated: 0
Transcoding channels allocated: 0
Group: FLEX_GROUP_VOICE, complexity: FLEX
Shared credits: 645, reserved credits: 0
Signaling channels allocated: 0
Voice channels allocated: 0
Credits used (rounded-up): 0
Slot: 0
Device idx: 0
PVDM Slot: 0
Dsp Type: SP2600
dsp 4:
State: FW_DNLD_FINISHED, firmware: 32.1.6
Max signal/voice channel: 43/43
Max credits: 645, Voice credits: 645, Video credits: 0
num_of_sig_chnls_allocated: 0
Transcoding channels allocated: 0
Group: FLEX_GROUP_VOICE, complexity: FLEX
Shared credits: 645, reserved credits: 0
Signaling channels allocated: 0
Voice channels allocated: 0
Credits used (rounded-up): 0
Slot: 0
Device idx: 1
PVDM Slot: 0
Dsp Type: SP2600
dsp 5:
Conditions
WCCP redirect causing high cpu on 3945 with PVDM3
Workaround
1. remove WCCP traffic from problem hosts
2. Disable keepalive
